#include <iostream>
#include <algorithm>
#include <iomanip>
#include <vector>
#include <queue>
#include <deque>
#include <set>
#include <map>
#include <tuple>
#include <cmath>
#include <numeric>
#include <functional>
#include <cassert>
#include <atcoder/modint>
#include <random>

#define debug_value(x) cerr << "line" << __LINE__ << ":<" << __func__ << ">:" << #x << "=" << x << endl;
#define debug(x) cerr << "line" << __LINE__ << ":<" << __func__ << ">:" << x << endl;

template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }

using namespace std;
typedef long long ll;

template<typename T>
vector<vector<T>> vec2d(int n, int m, T v){
    return vector<vector<T>>(n, vector<T>(m, v));
}

template<typename T>
vector<vector<vector<T>>> vec3d(int n, int m, int k, T v){
    return vector<vector<vector<T>>>(n, vector<vector<T>>(m, vector<T>(k, v)));
}

template<typename T>
void print_vector(vector<T> v, char delimiter=' '){
    if(v.empty()) {
        cout << endl;
        return;
    }
    for(int i = 0; i+1 < v.size(); i++) cout << v[i] << delimiter;
    cout << v.back() << endl;
}

vector<int> gen_array(int n, int l, int r){
    int d = r-l;
    random_device rnd;
    mt19937 mt(rnd());
    vector<int> ans(n);
    int x = mt();
    for(int i = 0; i < n; i++) ans[i] = l+(mt()%d);
    return ans;
}

using mint = atcoder::modint998244353;

ostream& operator<<(ostream& os, const mint& m){
    os << m.val();
    return os;
}

const ll MOD = 998244353;
#define N_MAX 200002
mint inv[N_MAX],fac[N_MAX],finv[N_MAX];

void init(){
    fac[0]=1;fac[1]=1;
    finv[0]=1;finv[1]=1;
    inv[1]=1;
    for(int i=2;i<N_MAX;i++){
        inv[i]=mint(MOD)-inv[MOD%i]*(MOD/i);
        fac[i]=fac[i-1]*(ll) i;
        finv[i]=finv[i-1]*inv[i];
    }
}

mint comb(ll n, ll r){
    if(n < r){
        return mint(0);
    }else{
        return fac[n]*finv[r]*finv[n-r];
    }
}

mint pow(mint a, ll n) {
    assert(n >= 0);
	mint ans = 1;
    while (n > 0) {
        if (n&1) ans = ans*a;
        a = a*a;
        n >>= 1;
    }
	return ans;
}

mint solve(int n, vector<int> a){
    vector<bool> is_different(30);
    function<void(vector<int>, int)> dfs = [&](vector<int> v, int d){
        vector<int> l, r;
        int b = 1<<d;
        for(int x: v){
            if(x&b) r.push_back(x);
            else l.push_back(x);
        }
        if(!l.empty() && !r.empty()) is_different[d] = true;
        if(d == 0) return;
        if(!l.empty()) dfs(l, d-1);
        if(!r.empty()) dfs(r, d-1);
    };
    dfs(a, 29);
    mint ans = 1;
    for(int i = 0; i < 30; i++) {
        if(is_different[i]) ans *= 2;
    }
    return ans;
}

mint naive(int n, vector<int> a){
    set<vector<int>> st;
    for(int x = 0; x <= 100; x++){
        vector<int> b(n);
        for(int i = 0; i < n; i++) b[i] = a[i]^x;
        sort(b.begin(), b.end());
        for(int i = 0; i < n; i++) b[i] = b[i]^x;
        st.insert(b);
    }
    return mint(st.size());
}

void test(int n){
    for(int i = 0; i < 10; i++){     
        auto a = gen_array(n, 0, 10);
        mint ans = solve(n, a);
        mint ans1 = naive(n, a);
        if(ans != ans1){
            print_vector(a);
            cout << ans << ' ' << ans1 << endl;
        }
    }
}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout << setprecision(10) << fixed;
    int n; cin >> n;
    // test(n);
    // return 0;
    vector<int> a(n);
    for(int i = 0; i < n; i++) cin >> a[i];
    
    cout << solve(n, a) << endl;
}